Looks like a Leica IIIf - Ken Rockwell has a summary here: http://www.kenrockwell.com/leica/screw-mount/iiif.htm
The lens looks like this collapsible 50mm : http://www.kenrockwell.com/leica/50mm-f35.htm
IMHO you've a beautiful piece of kit for some old school thought-out photography.
Thanks dude - looks to be the one!
@Nef started
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Looks like a Leica IIIf - Ken Rockwell has a summary here:
http://www.kenrockwell.com/leica/screw-mount/iiif.htm
The lens looks like this collapsible 50mm :
http://www.kenrockwell.com/leica/50mm-f35.htm
IMHO you've a beautiful piece of kit for some old school thought-out photography.